Major overhauling and refactoring of Magallanes Command and Tasks modulairty and workflow.

ADVICE: there is no Backwards Compatibility with custom tasks, those
using the _config instance will be broken or those using the
getEnvironmentName().

Mage/Command/BuiltIn/Unlock.php

@@ -0,0 +1,16 @@
+<?php
+class Mage_Command_BuiltIn_Unlock
+    extends Mage_Command_CommandAbstract
+    implements Mage_Command_RequiresEnvironment
+{
+    public function run()
+    {
+        $lockFile = '.mage/' . $this->getConfig()->getEnvironment() . '.lock';
+        if (file_exists($lockFile)) {
+            @unlink($lockFile);
+        }
+
+        Mage_Console::output('Unlocked deployment to <light_purple>' . $this->getConfig()->getEnvironment() . '</light_purple> environment', 1, 2);
+    }
+
+}